That sounds like something Ivan Ramen would call a souped-up Jewish-Tokyo mash-up dog. But it is, in fact, a black hot dog served in a black bun with — at this point, Ikea’s food scientists were definitely like, “Whatever, we’re going home” — plain old mustard and ketchup. The bun and sausage are made black by, what else, activated charcoal, because you may as well throw some questionable-but-trendy health fads in there, too. Taken as a whole, it’s certainlysomething.